/* ===== 意见反馈 / page-contact ===== */
.page-contact {
  --pc-line: 1px solid rgba(212, 175, 55, 0.28);
  --pc-line-soft: 1px solid rgba(244, 235, 220, 0.10);
  --pc-body: rgba(244, 235, 220, 0.78);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  color: var(--ivory);
  font-family: var(--font-body);
  background:
    radial-gradient(1100px 520px at 6% -10%, rgba(62, 90, 78, 0.46), transparent 62%),
    radial-gradient(760px 420px at 96% 4%, rgba(27, 77, 255, 0.10), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(244, 235, 220, 0.02) 0 1px,
    transparent 1px 3px
  );
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

/* --- 面包屑 --- */
.page-contact .breadcrumb {
  margin: clamp(18px, 4vw, 32px) 0 0;
}

.page-contact .breadcrumb a {
  color: var(--gold-light);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--magenta);
}

.page-contact .breadcrumb li[aria-current="page"] {
  color: rgba(244, 235, 220, 0.6);
}

/* --- 首屏 --- */
.page-contact .pc-hero {
  position: relative;
  margin-top: clamp(24px, 5vw, 46px);
  padding-left: clamp(16px, 3vw, 34px);
  max-width: 960px;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--magenta) 0%, var(--gold) 46%, transparent 100%);
}

.page-contact .pc-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(31px, 6.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ivory);
  text-shadow: 0 0 30px rgba(212, 175, 55, 0.16);
}

.page-contact .pc-hero__lede {
  margin: 0 0 26px;
  max-width: 68ch;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact .pc-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-quick li {
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
  background: rgba(18, 36, 31, 0.7);
  border: var(--pc-line);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 11px 100%, 0 calc(100% - 11px));
  word-break: break-word;
}

/* --- 章节框架 --- */
.page-contact .pc-section {
  padding: clamp(40px, 7vw, 78px) 0;
}

.page-contact .pc-section + .pc-section {
  border-top: var(--pc-line-soft);
}

.page-contact .pc-section--last {
  padding-bottom: clamp(70px, 11vw, 140px);
}

.page-contact .pc-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-contact .pc-num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--magenta);
}

.page-contact h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.26;
  color: var(--ivory);
}

.page-contact .pc-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact h3 {
  font-family: var(--font-display);
}

/* --- 通用图形 --- */
.page-contact .figure {
  margin: 0;
}

.page-contact .figure__frame {
  position: relative;
  overflow: hidden;
  border: var(--pc-line);
  background: var(--panel);
  box-shadow: var(--shadow-lift);
}

.page-contact .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: rgba(244, 235, 220, 0.55);
}

/* --- 渠道总览 --- */
.page-contact .pc-overview {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-overview__media {
  order: 2;
}

.page-contact .pc-channels {
  order: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 6px 22px 0;
  border-top: var(--pc-line);
  transition: transform 220ms var(--ease), background-color 220ms var(--ease),
    border-color 220ms var(--ease);
}

.page-contact .pc-channel:last-child {
  border-bottom: var(--pc-line);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateX(6px);
  border-color: rgba(212, 175, 55, 0.65);
  background: rgba(18, 36, 31, 0.55);
}

.page-contact .pc-channel__icon {
  position: relative;
  display: block;
  width: 38px;
  height: 34px;
  margin-top: 4px;
}

.page-contact .pc-icon--mail {
  height: 28px;
  margin-top: 7px;
  border: 2px solid var(--gold);
  background: linear-gradient(160deg, rgba(212, 175, 55, 0.16), transparent 62%);
}

.page-contact .pc-icon--mail::before,
.page-contact .pc-icon--mail::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  width: 2px;
  height: 19px;
  background: var(--gold);
  transform-origin: top center;
}

.page-contact .pc-icon--mail::before {
  transform: rotate(36deg);
}

.page-contact .pc-icon--mail::after {
  transform: rotate(-36deg);
}

.page-contact .pc-icon--phone::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 30px;
  margin: -15px 0 0 -5.5px;
  border: 2px solid var(--gold);
  border-radius: 7px;
  transform: rotate(-40deg);
}

.page-contact .pc-icon--phone::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 50%;
}

.page-contact .pc-icon--post {
  width: 30px;
  height: 36px;
  margin-left: 4px;
  border: 2px solid var(--gold);
  border-radius: 15px 15px 3px 3px;
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.18), transparent 70%);
}

.page-contact .pc-icon--post::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  border: 2px solid var(--gold-light);
  border-radius: 50%;
}

.page-contact .pc-channel__title {
  margin: 0 0 7px;
  font-size: 20px;
  font-weight: 700;
  color: var(--gold-light);
}

.page-contact .pc-channel__desc {
  margin: 0 0 9px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .pc-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--ivory);
  word-break: break-word;
}

.page-contact .pc-channel__more {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid rgba(230, 0, 126, 0.45);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 235, 220, 0.68);
  transition: border-color 220ms var(--ease), color 220ms var(--ease);
}

.page-contact .pc-channel:hover .pc-channel__more,
.page-contact .pc-channel:focus-within .pc-channel__more {
  border-color: var(--magenta);
  color: var(--ivory);
}

/* --- 邮件 --- */
.page-contact .pc-mail {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-mail__card {
  padding: clamp(22px, 3.4vw, 40px);
  border-left: 3px solid var(--gold);
}

.page-contact .pc-mail__card p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact .pc-mail__card h2 {
  margin-bottom: 16px;
}

.page-contact .pc-mail__foot {
  margin: 0;
  padding-top: 16px;
  border-top: var(--pc-line-soft);
  color: var(--ivory) !important;
}

.page-contact .pc-mail__foot .mono {
  color: var(--gold-light);
  word-break: break-all;
}

.page-contact .pc-mail__aside {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, rgba(18, 36, 31, 0.92), rgba(8, 17, 14, 0.92));
  border: var(--pc-line);
  border-top: 2px solid var(--moss);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .pc-aside__label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--magenta);
}

.page-contact .pc-mail__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-mail__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ivory);
}

.page-contact .pc-mail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 2px;
  background: var(--gold);
}

.page-contact .pc-mail__aside-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 235, 220, 0.62);
}

/* --- 电话 --- */
.page-contact .pc-phone {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-phone__body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact .pc-phone__no {
  margin: 6px 0 4px !important;
  font-family: var(--font-mono);
  font-size: clamp(27px, 5vw, 44px);
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--gold);
  text-shadow: 0 0 24px rgba(212, 175, 55, 0.3);
  word-break: break-word;
}

.page-contact .pc-phone__slot {
  margin: 0 0 18px !important;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ivory);
  padding-bottom: 12px;
  border-bottom: var(--pc-line);
}

/* --- 来信地址 --- */
.page-contact .pc-address {
  padding: clamp(24px, 4vw, 46px);
  background: linear-gradient(140deg, rgba(18, 36, 31, 0.94), rgba(8, 17, 14, 0.94));
  border: var(--pc-line);
  border-top: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  max-width: 880px;
}

.page-contact .pc-address p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact .pc-address__lines {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding: 18px 0;
  font-style: normal;
  border-top: var(--pc-line-soft);
  border-bottom: var(--pc-line-soft);
}

.page-contact .pc-address__to {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--magenta);
}

.page-contact .pc-address__line {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 25px);
  line-height: 1.6;
  color: var(--gold-light);
}

.page-contact .pc-address__tip {
  margin: 0 !important;
  font-size: 14px;
  color: rgba(244, 235, 220, 0.66);
}

/* --- 处理流程 --- */
.page-contact .pc-flow__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  grid-template-columns: minmax(0, 1fr);
  border-top: 2px solid var(--moss);
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 24px 20px 28px;
  background: rgba(18, 36, 31, 0.68);
  border-top: 1px solid rgba(244, 235, 220, 0.06);
}

.page-contact .pc-flow__step::after {
  content: "";
  position: absolute;
  right: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.42), transparent);
}

.page-contact .pc-flow__no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.26em;
  color: var(--magenta);
}

.page-contact .pc-flow__step h3 {
  margin: 0 0 9px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ivory);
}

.page-contact .pc-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-body);
}

/* --- 对照清单 --- */
.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-checklist li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 15px 17px;
  background: rgba(18, 36, 31, 0.62);
  border: var(--pc-line-soft);
  border-left: 2px solid rgba(212, 175, 55, 0.5);
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-body);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .pc-checklist li:hover {
  border-left-color: var(--gold);
  background: rgba(24, 48, 40, 0.78);
}

.page-contact .pc-checklist li::before {
  content: "";
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.3), transparent 62%);
}

.page-contact .pc-checklist__foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 235, 220, 0.66);
}

.page-contact .pc-checklist__foot a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.45);
}

.page-contact .pc-checklist__foot a:hover,
.page-contact .pc-checklist__foot a:focus-visible {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

/* --- 延伸入口 --- */
.page-contact .pc-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-links a {
  display: block;
  padding: 17px 19px;
  background: rgba(18, 36, 31, 0.52);
  border: var(--pc-line-soft);
  border-left: 2px solid var(--gold);
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 17px;
  text-decoration: none;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease),
    background-color 200ms var(--ease);
}

.page-contact .pc-links a:hover,
.page-contact .pc-links a:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  border-left-color: var(--magenta);
  background: rgba(24, 48, 40, 0.78);
}

.page-contact .pc-links span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: rgba(244, 235, 220, 0.56);
}

/* --- 断点 --- */
@media (min-width: 700px) {
  .page-contact .pc-checklist,
  .page-contact .pc-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-mail {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-phone {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-overview {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .pc-overview__media {
    order: 1;
    position: sticky;
    top: 28px;
  }

  .page-contact .pc-channels {
    order: 2;
  }

  .page-contact .pc-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .pc-flow__step:nth-child(even) {
    background: rgba(20, 44, 37, 0.86);
    border-top-color: rgba(212, 175, 55, 0.5);
  }

  .page-contact .pc-flow__step:nth-child(even)::after {
    background: linear-gradient(180deg, var(--gold), transparent);
  }
}

@media (max-width: 560px) {
  .page-contact .pc-quick li {
    width: 100%;
    font-size: 12px;
  }

  .page-contact .pc-phone__no {
    font-size: 26px;
  }

  .page-contact .pc-address {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-channel__more,
  .page-contact .pc-checklist li,
  .page-contact .pc-links a {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within,
  .page-contact .pc-links a:hover,
  .page-contact .pc-links a:focus-visible {
    transform: none;
  }
}